<template>
	<view>
    <!-- 搜索组件 -->
   <view class="search-box">
     <mysearch @click="gotoSearch"></mysearch>
   </view>
		<!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
                  <!-- 动态绑定图片的 src 属性 -->
                  <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 分类导航区域 -->
    <view class="nav-list">
       <view class="nav-item" v-for="(item, i) in navList" :key="i">
         <image :src="item.image_src" class="nav-img"></image>
       </view>
    </view>
    
    <!-- 楼层区域 -->
    <view class="floor-list">
      <!-- 楼层 item 项 -->
      <view class="floor-item" v-for="(item, i) in floorList" :key="i">
        <!-- 楼层标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片的盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧 4 个小图片的盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-box" v-for="(item2,i2) in item.product_list" :key="i2" :url="item2.url">
              <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}" v-if="i2 !== 0"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
	</view>
  
</template>

<script>
	export default {
		data() {
			return {
				//轮播图的数据列表
        swiperList: [],
        //分类导航数据列表
        navList:[],
        //楼层数据
        floorList:[]
			};
		},
    onLoad() {
      //调用方法，获取轮播图的数据
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods:{
      //获取轮播图数据
      async getSwiperList(){
        const {data:res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        console.log(res)
        //请求失败
        if(res.meta.status !== 200){
          return uni.$showMsg()
        }
        
        this.swiperList = res.message
      },
      //获取分类导航数据
      async getNavList(){
        const {data:res} =await uni.$http.get('/api/public/v1/home/catitems')
        if(res.meta.status !== 200) return uni.$showMsg()
        this.navList = res.message
      },
      navClickHandler(item){
        if(item.name == '分类'){
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
      //获取首页楼层数据
     async getFloorList() {
           const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
           if (res.meta.status !== 200) return uni.$showMsg()
           
           //对数据进行处理
           res.message.forEach(floor => {
             floor.product_list.forEach(prod => {
               prod.url = '/subpkg/good_list/good_list?' + prod.navigator_url.split('?')[1]
             })
           })
           this.floorList = res.message
         },
         gotoSearch() {
           uni.navigateTo({
               url: '/subpkg/search/search'
             })
         }
    },
 }
</script>

<style lang="scss">
swiper {
 height: 330rpx;

 .swiper-item,
 image {
   width: 100%;
   height: 100%;
 }
}

.nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15px 0;

  .nav-img {
    width: 128rpx;
    height: 140rpx;
  }
}

.floor-title {
  height: 60rpx;
  width: 100%;
  display: flex;
}

.right-img-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.floor-img-box {
  display: flex;
  padding-left: 10rpx;
}

.search-box {
  // 设置定位效果为“吸顶”
  position: sticky;
  // 吸顶的“位置”
  top: 0;
  // 提高层级，防止被轮播图覆盖
  z-index: 999;
}
</style>
